Objectclass

• Used to group information
• Provides the following rules:
  • Required attributes
  • Allowed attributes
  • Easy way to retrieve groups of information
• Entries can have multiple object classes
  • Required and allowed attributes are the union of the attributes of each of the classes
• Object class inheritance
  • Object classes can be derived from others
  • Extends attributes of other objectclass
  • No multiple inheritance
  • Can't override any of the rules
  • Special class called top - all classes extend
    • Only required attribute is objectclass
    • Ensures all entries have a objectclass